Herb Pharm Wild Indigo Liquid Herbal Extract Description. Liquid Herbal Extract. Baptisia Tinctoria. Fresh Root. We prepare our Wild Indigo extract from fresh (undried) roots of Baptisia tinctoria plants which are Custom Wildcrafted in their wild native habitat. To assure optimal extraction of Wild Indigos bioactive compounds the roots are hand-dug only in the autumn or early spring and are then taken directly to our laboratory and promptly extracted while still fresh and succulent. Our Wild Indigo is not fumigated or irradiated. Disclaimer These statements have not been evaluated by the FDA. These products are not intended to diagnose treat cure or prevent any disease. Take 30 to 40 drops 3 to 4 times per day for no longer than 6 weeks. Topically apply full-strength (if well tolerated) or dilute with 1 or 2 parts water. As gargle mix drops in a little water and gargle several times per day. Wild indigo is best taken with echinaea and myrrh. Ingredients: Certified organic grain alcohol distilled water and wild indigo extractives.